Home / 7,160.82-10,727.31-4,031.28

Finding the Fourth Proportional to 7,160.82, 10,727.31 and 4,031.28

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Solution

The fourth proportional to 7,160.82, 10,727.31 and 4,031.28 is: 6,039.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,160.82 : 10,727.31 = 4,031.28 : x
  2. Step 2: Convert to fraction form
    7,160.82/10,727.31 = 4,031.28/x
  3. Step 3: Cross multiply
    7,160.82x = 10,727.31 × 4,031.28
  4. Step 4: Simplify right side
    7,160.82x = 43,244,790.26
  5. Step 5: Solve for x
    x = 43,244,790.26/7,160.82
  6. Step 6: Final answer
    x = 6,039.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.